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US 7,410,161 B2Granted
Sheet feeding apparatus, and image forming apparatus and image reading apparatus respectively equipped with sheet feeding apparatus
AssigneeCanon Kabushiki Kaisha
InventorTatsuyuki Yamamoto
Life of this patent
Estimating the term…
Abstract
A sheet feeding apparatus comprises a sheet stacking portion for stacking sheets thereon, a sheet feeding rotating member for feeding the sheet stacked on the sheet stacking portion, a stopper for regulating the sheet stacked on the sheet stacking portion, and a rotatable gear adapted to hold the stopper at the regulating position of regulating the sheet stacked on the sheet stacking portion, by engaging with the stopper. In this construction, the engagement of the gear and the stopper is released when the gear is rotated.
Claims10
A sheet feeding apparatus comprising:
- a sheet stacking portion adapted to stack sheets thereon;
- a sheet feeding rotating member adapted to feed the sheet stacked on said sheet stacking portion;
- a stopper adapted to regulate the sheets stacked on said sheet stacking portion;
- a rotatable gear adapted to hold said stopper at a regulating position of regulating the sheets stacked on said sheet stacking portion, by engaging with said stopper, and
- a driving unit configured to rotate said gear;
- wherein the engagement of said gear and said stopper is released when said gear is rotated by the driving unit,
- said stopper has a stopper member which is rotatably supported, and a latch member rotatably supported on said stopper member,
- said latch member has a latch pawl which is latched between teeth of said gear, and
- said latch member rotates with respect to said stopper member while the latching of the latch pawl by said gear is being released, according to the rotation of said gear.
6 more elements
A sheet feeding apparatus comprising:
- a sheet tray;
- a feeding rotary member which contacts with a sheet stacked on said sheet tray;
- a rotatable stopper member located on a leading edge side of the sheet stacked on said sheet tray;
- a latch member rotatably supported on said stopper member;
- a holding member which holds said stopper member at a regulating position at which the stopper member regulates the sheets stacked on said sheet stacking portion, by engaging with said latch member;
- and
- a driving unit configured to move said holding member;
- wherein said latch member rotates with respect to said stopper member while the engagement of the latch member and said holding member being released, according to the moving of said holding member.
5 more elements
Dependencies are inferred from the claim text.